Lake dye
Photo by A. Parsons-Field
"Gravity currents," which are induced by changes in water temperature, are almost completely invisible to the naked eye. Introducing dyes (orange) can illustrate motion. Cold-induced gravity currents typically move downward from a lake's near-shore waters. When the currents reach water of equal temperature, they move inward toward a lake's center (rightward in the image).2010Photo by A. Parsons-FieldLake dye
Created: 2010
Copyright Holder: Photo by A. Parsons-Field
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